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DS28CZ04G-4+T Datasheet

  • DS28CZ04G-4+T

  • 4kbit IC/SMBus EEPROM with Nonvolatile PIO

  • 22頁

  • MAXIM   MAXIM

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DS28CZ04
4kbit I虜C/SMBus EEPROM
with Nonvolatile PIO
www.maxim-ic.com
GENERAL DESCRIPTION
The DS28CZ04 combines 4kbit (512 x 8) EEPROM
with 4 PIO lines. Communication with the device is
accomplished with an industry standard I虜C and
SMBus鈩?/div>
interface. The memory is organized as two
segments of 256 bytes with single byte and up to 16-
byte block write capability. Individual PIO lines may
be configured as inputs or outputs. The power-on
state of PIO programmed as outputs is stored in non-
volatile memory. All PIO may be reconfigured by the
user through the serial interface.
FEATURES
4kbit (512 x 8) EEPROM Organized in Two 256-
Byte Blocks
Single Byte and up to 16-Byte EEPROM Write
Sequences
Write-Protect Control Pin for the Entire EEPROM
Array
Endurance 200k Cycles per Block at 25擄C; 10ms
max EEPROM Write Cycle
4 PIO Lines
Each PIO is Configured to Input or Output Mode
on Startup by Stored Value
All PIOs are Reconfigurable after Startup
Serial Interface User-Programmable for I虜C Bus
and SMBus Compatibility
Supports 100kHz and 400kHz I虜C Communica-
tion Speeds
Operating Range: 2.0V to 5.25V, -40擄C to +85擄C
4mm x 4mm 12-Pin TQFN Package
APPLICATIONS
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
4G SFP Copper Modules
SFF-8472, SFP Fiber Modules
RAID Systems
Servers
TYPICAL OPERATING CIRCUIT
V
CC
T
V
CC
MOD-DEF2
MOD-DEF1
LOS
(from receiver)
ORDERING INFORMATION
PART
DS28CZ04G-4+
DS28CZ04G-4+T
TEMP RANGE
-40擄C to +85擄C
-40擄C to +85擄C
PIN-PACKAGE
TQFN12-EP
*
4x4mm虜
TQFN12-EP
*
4x4mm虜
Tape-and-Reel
DS28CZ04
SDA
SCL
PIO0
WP
A2
A1 GND
MRZ
PIO3
PIO2
PIO1
V
CC1
V
CC2
MAX3982
PE1
PE0
OUTLEV
IN+
IN-
TX_DISABLE
GND
V
EE
T
LOS
OUT+
OUT-
LOSLEV
EP
Connect to
V
CC
or GND
*EP = Exposed Paddle
+Denotes lead-free package.
PIN CONFIGURATION
GND
SDA
11
12
A1 1
A2 2
PIO3 3
10
9 WP
8 MRZ
7 VCC
4
PIO2
5
PIO1
6
PIO0
SCL
V
EE
T
From SFP
connector
Small Form-factor Pluggable (SFP) Circuit
SMBus is a trademark of Intel Corp.
Thin 12-Lead 4mm 脳 4mm QFN (Top View)
Package Outline Drawing
21-0139
Package Code T1244+4
Note:
Some revisions of this device may incorporate deviations from published specifications known as errata. Multiple revisions of any device
may be simultaneously available through various sales channels. For information about device errata, click here:
www.maxim-ic.com/errata.
1 of 22
REV: 061107

DS28CZ04G-4+T 產(chǎn)品屬性

  • 2,500

  • 集成電路 (IC)

  • 存儲(chǔ)器

  • -

  • EEPROMs - 串行

  • EEPROM

  • 4K (512 x 8)

  • 400kHz

  • I²C，2 線串口

  • 2 V ~ 5.25 V

  • -40°C ~ 85°C

  • 12-WQFN 裸露焊盤

  • 12-TQFN-EP（4x4）

  • 帶卷 (TR)

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